You have chosen 'Concerning the Author' by Charles Sanders Peirce, 'Lectures on the Principles of Political Obligation' by T.H. Green and 'The Big Book of Concepts' by Gregory L. Murphy
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Natural Theory, or select a subheading: |
| A. | Speculations on Nature | |
| B. | Natural Kinds | |
| C. | Causation | |
| D. | Laws of Nature |